857193920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{243521}}^1$

素因数の和:243549

約数の個数: 56

約数和(自身を含む): 2226765168

約数和(自身を除く): 1369571248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 243521, 487042, 974084, 1217605, 1948168, 2435210, 2678731, 3896336, 4870420, 5357462, 7792672, 9740840, 10714924, 13393655, 15585344, 19481680, 21429848, 26787310, 38963360, 42859696, 53574620, 77926720, 85719392, 107149240, 171438784, 214298480, 428596960, 857193920]

約数ペア:

[(1, 857193920), (2, 428596960), (4, 214298480), (5, 171438784), (8, 107149240), (10, 85719392), (11, 77926720), (16, 53574620), (20, 42859696), (22, 38963360), (32, 26787310), (40, 21429848), (44, 19481680), (55, 15585344), (64, 13393655), (80, 10714924), (88, 9740840), (110, 7792672), (160, 5357462), (176, 4870420), (220, 3896336), (320, 2678731), (352, 2435210), (440, 1948168), (704, 1217605), (880, 974084), (1760, 487042), (3520, 243521)]